[en-duh-plaz-uh m]

noun Cell Biology.

the inner portion of the cytoplasm of a cell.Compare ectoplasm(def 1).

Nearby words

  1. endophasia,
  2. endophlebitis,
  3. endophora,
  4. endophthalmitis,
  5. endophyte,
  6. endoplasmic reticulum,
  7. endopod,
  8. endopodite,
  9. endopolyploidy,
  10. endoproct

Origin of endoplasm

First recorded in 1880–85; endo- + -plasm

Related formsen·do·plas·mic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endoplasm

British Dictionary definitions for endoplasm



cytology the inner cytoplasm in some cells, esp protozoa, which is more granular and fluid than the outer cytoplasmSee ectoplasm (def. 1)
Derived Formsendoplasmic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for endoplasm




A central, less viscous portion of the cytoplasm that is distinguishable in certain cells, especially motile cells and protozoa.
Related formsen′do•plasmic adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.